Replacement Air Filter for NE-C28 Nebulizer Compressor, to replace filter every 30 days, or when it appears dirty, each pack comes with 5 filters

Quantity Per Sell: Pack of 5
Dimensions: 4.5 X 3.25 X 2.75 Inch
Weight: 0.2lb
SKU: C28FL
Independence Item # 73NEC28FL